ability to disable a configured listener

application-loadbalancer.cfndsl.rb

@@ -85,7 +85,7 @@
 
   listeners = external_parameters.fetch(:listeners, {})
   listeners.each do |listener_name, listener|
-    next if listener.nil?
+    next if listener.nil? || (listener.has_key?('enabled') && listener['enabled'] == false)
 
     ElasticLoadBalancingV2_Listener("#{listener_name}Listener") do
       Protocol listener['protocol'].upcase

tests/disable_listener.test.yaml

@@ -0,0 +1,49 @@
+test_metadata:
+  type: config
+  name: disable_listener
+  description: disable a configured listener
+
+targetgroups:
+  www:
+    protocol: http
+    port: 80
+    healthcheck:
+      port: 8080
+      protocol: http
+      interval: 30
+      timeout: 10
+      healthy_count: 2
+      unhealthy_count: 5
+      path: /healthcheck
+      code: 200
+    attributes:
+      stickiness.enabled: true
+      stickiness.type: lb_cookie
+      stickiness.lb_cookie.duration_seconds: 604800
+    tags:
+      Name: www
+  api:
+    protocol: http
+    port: 80
+    healthcheck:
+      path: /ping
+      code: 200
+
+listeners:
+  http:
+    enabled: false
+    port: 80
+    protocol: http
+    default:
+      action:
+        redirect: http_to_https
+  https:
+    port: 443
+    protocol: https
+    ssl_policy: ELBSecurityPolicy-TLS-1-2-Ext-2018-06
+    default:
+      certificate: website
+      action:
+        targetgroup: www
+    certificates:
+      - api